[PubMed: 2402650] (In retrospective review from a single center over 2 years, 7 cases of suspected acetaminophen hepatotoxicity were identified among alcoholics taking high or super-therapeutic doses [3.5-11 g daily for 2-6 days], all with high AST [4472-21660 U/L] and 3 fatal)
Chondroprotective effects of 4-methylumbelliferone and hyaluronan synthase-2 overexpression involve changes in chondrocyte energy metabolism
Rare side effects of B12 shots (require medical attention) Serious reactions to B-12 shots are uncommon, but its important to be aware of them: Allergic reaction, including rash, hives, dizziness, or trouble breathing Significant swelling, pain, or warmth that worsens at the injection site Palpitations or chest discomfort Signs of drug interactions, especially if you take multiple prescription medications If you experience symptoms that feel intense, progressive, or unusual, you should contact your provider right away
Physical Examination Your physician will perform several specific tests: The Spurling Test : Your doctor extends your neck and rotates it toward the affected side while applying downward pressure on your head
References 1 BoltonVNHaydenCRobinsonMAbdoDPericleous-SmithA